/// <summary>
/// 得到源数据表的DataTable
/// </summary>
/// <param name="strTableName">源数据表名</param>
/// <returns>源数据表的DataTable</returns>
private DataTable GetSourceDataTable(string strTableName)
{
DataTable dtSourceData = new DataTable();
dtSourceData.TableName = strTableName;
string sqlSelect = string.Format("SELECT * FROM {0}", strTableName);
//对不同数据库进行判断
if (IsSourceString.Equals(TypeProcessing.DataBase.SqlServer.ToString()))
{
SqlServerHelper sqlHelper = new SqlServerHelper();
sqlHelper.SqlServerConnectionString(SourceConnectionString);
sqlHelper.Open();
dtSourceData = sqlHelper.GetDataTable(sqlSelect);
sqlHelper.Close();
}
else if (IsSourceString.Equals(TypeProcessing.DataBase.Oracle.ToString()))
{
OracleHelper sqlHelper = new OracleHelper();
sqlHelper.OracleConnectionString(SourceConnectionString);
sqlHelper.Open();
dtSourceData = sqlHelper.GetDataTable(sqlSelect);
sqlHelper.Close();
}
else if (IsSourceString.Equals(TypeProcessing.DataBase.MySql.ToString()))
{
MySqlHelper sqlHelper = new MySqlHelper();
sqlHelper.MySqlConnectionString(SourceConnectionString);
sqlHelper.Open();
dtSourceData = sqlHelper.GetDataTable(sqlSelect);
sqlHelper.Close();
}
else if (IsSourceString.Equals(TypeProcessing.DataBase.Access.ToString()))
{
AccessHelper sqlHelper = new AccessHelper();
sqlHelper.AccessConnectionString(SourceConnectionString);
sqlHelper.Open();
dtSourceData = sqlHelper.GetDataTable(sqlSelect);
sqlHelper.Close();
}
else if (IsSourceString.Equals(TypeProcessing.DataBase.SQLite.ToString()))
{
SQLiteHelper sqlHelper = new SQLiteHelper();
sqlHelper.SQLiteConnectionString(SourceConnectionString);
sqlHelper.Open();
dtSourceData = sqlHelper.GetDataTable(sqlSelect);
sqlHelper.Close();
}
return(dtSourceData);
}